Q: Is 387,491 a Prime Number?
A: No, 387,491 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 387491 can be evenly divided by 1 13 41 533 727 9,451 29,807 and 387,491, with no remainder.
Since 387,491 cannot be divided by just 1 and 387,491, it is not a prime number.